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Mariella De Stefano

Telephone : (514) 393-4005

Fax : (514) 878-1865

Email : mdestefano@rsslex.com


Mariella De Stefano has been practicing in the field of insurance law for the past 25 years.  Her meticulousness and her organizational and analytical skills have been an asset in the diverse and complex files that she has been involved in, which have also led her to appear before the courts, including settlement conferences. She has represented the interests of clients both in demand and in defence.

She has acquired an expertise in recovery files in the insurance field and now heads the recovery team in the insurance department which is mainly comprised of junior and intermediate attorneys.

Representative Matters

Nature of the mandates: Mariella De Stefano represents numerous insurance companies and other entities involved in recovery matters and handles files dealing with diverse legal issues, including the liability of contractors, manufacturers, municipalities, vendors and lessors/lessees often involving the analysis of contractual documents. The files often involve multiple parties and large claims.


Best Lawyers in Canada: rated for Insurance Law since 2019


Governor of the Bar of Quebec Foundation

Publications and Conferences

Mariella De Stefano co-authored the following publications, updated bi-annually:

  • Residential Insurance Policies, Annotated, Thomson Reuters / Carswell
  • Commercial Insurance Policies, Annotated, Thomson Reuters / Carswell

She also wrote numerous newsletters and prepared conferences relating to product liability, duty to defend, underwriting in Quebec, assessment of bodily injuries in Quebec and preparation of subrogation files.

Community Involvement

Kidney Foundation of Canada: Active volunteer


English, French, Italian and Spanish


Bachelor of Common Law, McGill University, 1989

Bachelor of Civil Law, McGill University, 1988

Bachelor of Arts , McGill University, 1985

Call to Bar

Quebec, 1990